Home / 1,971,785.60-2,958,844.80-1,437,963.20

Finding the Fourth Proportional to 1,971,785.60, 2,958,844.80 and 1,437,963.20

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Solution

The fourth proportional to 1,971,785.60, 2,958,844.80 and 1,437,963.20 is: 2,157,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,785.60 : 2,958,844.80 = 1,437,963.20 : x
  2. Step 2: Convert to fraction form
    1,971,785.60/2,958,844.80 = 1,437,963.20/x
  3. Step 3: Cross multiply
    1,971,785.60x = 2,958,844.80 × 1,437,963.20
  4. Step 4: Simplify right side
    1,971,785.60x = 4,254,709,936,911.36
  5. Step 5: Solve for x
    x = 4,254,709,936,911.36/1,971,785.60
  6. Step 6: Final answer
    x = 2,157,795.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.